xref: /linux/drivers/net/ethernet/intel/ice/ice_virtchnl.h (revision 40d269c000bda9fcd276a0412a9cebd3f6e344c5)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright (C) 2022, Intel Corporation. */
3 
4 #ifndef _ICE_VIRTCHNL_H_
5 #define _ICE_VIRTCHNL_H_
6 
7 #include <linux/types.h>
8 #include <linux/bitops.h>
9 #include <linux/if_ether.h>
10 #include <linux/avf/virtchnl.h>
11 #include "ice_vf_lib.h"
12 
13 /* Restrict number of MAC Addr and VLAN that non-trusted VF can programmed */
14 #define ICE_MAX_VLAN_PER_VF		8
15 
16 /* MAC filters: 1 is reserved for the VF's default/perm_addr/LAA MAC, 1 for
17  * broadcast, and 16 for additional unicast/multicast filters
18  */
19 #define ICE_MAX_MACADDR_PER_VF		18
20 #define ICE_FLEX_DESC_RXDID_MAX_NUM	64
21 
22 /* VFs only get a single VSI. For ice hardware, the VF does not need to know
23  * its VSI index. However, the virtchnl interface requires a VSI number,
24  * mainly due to legacy hardware.
25  *
26  * Since the VF doesn't need this information, report a static value to the VF
27  * instead of leaking any information about the PF or hardware setup.
28  */
29 #define ICE_VF_VSI_ID	1
30 
31 struct ice_virtchnl_ops {
32 	int (*get_ver_msg)(struct ice_vf *vf, u8 *msg);
33 	int (*get_vf_res_msg)(struct ice_vf *vf, u8 *msg);
34 	void (*reset_vf)(struct ice_vf *vf);
35 	int (*add_mac_addr_msg)(struct ice_vf *vf, u8 *msg);
36 	int (*del_mac_addr_msg)(struct ice_vf *vf, u8 *msg);
37 	int (*cfg_qs_msg)(struct ice_vf *vf, u8 *msg);
38 	int (*ena_qs_msg)(struct ice_vf *vf, u8 *msg);
39 	int (*dis_qs_msg)(struct ice_vf *vf, u8 *msg);
40 	int (*request_qs_msg)(struct ice_vf *vf, u8 *msg);
41 	int (*cfg_irq_map_msg)(struct ice_vf *vf, u8 *msg);
42 	int (*config_rss_key)(struct ice_vf *vf, u8 *msg);
43 	int (*config_rss_lut)(struct ice_vf *vf, u8 *msg);
44 	int (*config_rss_hfunc)(struct ice_vf *vf, u8 *msg);
45 	int (*get_stats_msg)(struct ice_vf *vf, u8 *msg);
46 	int (*cfg_promiscuous_mode_msg)(struct ice_vf *vf, u8 *msg);
47 	int (*add_vlan_msg)(struct ice_vf *vf, u8 *msg);
48 	int (*remove_vlan_msg)(struct ice_vf *vf, u8 *msg);
49 	int (*query_rxdid)(struct ice_vf *vf);
50 	int (*get_rss_hena)(struct ice_vf *vf);
51 	int (*set_rss_hena_msg)(struct ice_vf *vf, u8 *msg);
52 	int (*ena_vlan_stripping)(struct ice_vf *vf);
53 	int (*dis_vlan_stripping)(struct ice_vf *vf);
54 	int (*handle_rss_cfg_msg)(struct ice_vf *vf, u8 *msg, bool add);
55 	int (*add_fdir_fltr_msg)(struct ice_vf *vf, u8 *msg);
56 	int (*del_fdir_fltr_msg)(struct ice_vf *vf, u8 *msg);
57 	int (*get_offload_vlan_v2_caps)(struct ice_vf *vf);
58 	int (*add_vlan_v2_msg)(struct ice_vf *vf, u8 *msg);
59 	int (*remove_vlan_v2_msg)(struct ice_vf *vf, u8 *msg);
60 	int (*ena_vlan_stripping_v2_msg)(struct ice_vf *vf, u8 *msg);
61 	int (*dis_vlan_stripping_v2_msg)(struct ice_vf *vf, u8 *msg);
62 	int (*ena_vlan_insertion_v2_msg)(struct ice_vf *vf, u8 *msg);
63 	int (*dis_vlan_insertion_v2_msg)(struct ice_vf *vf, u8 *msg);
64 };
65 
66 #ifdef CONFIG_PCI_IOV
67 void ice_virtchnl_set_dflt_ops(struct ice_vf *vf);
68 void ice_virtchnl_set_repr_ops(struct ice_vf *vf);
69 void ice_vc_notify_vf_link_state(struct ice_vf *vf);
70 void ice_vc_notify_link_state(struct ice_pf *pf);
71 void ice_vc_notify_reset(struct ice_pf *pf);
72 int
73 ice_vc_send_msg_to_vf(struct ice_vf *vf, u32 v_opcode,
74 		      enum virtchnl_status_code v_retval, u8 *msg, u16 msglen);
75 bool ice_vc_isvalid_vsi_id(struct ice_vf *vf, u16 vsi_id);
76 void ice_vc_process_vf_msg(struct ice_pf *pf, struct ice_rq_event_info *event,
77 			   struct ice_mbx_data *mbxdata);
78 #else /* CONFIG_PCI_IOV */
79 static inline void ice_virtchnl_set_dflt_ops(struct ice_vf *vf) { }
80 static inline void ice_virtchnl_set_repr_ops(struct ice_vf *vf) { }
81 static inline void ice_vc_notify_vf_link_state(struct ice_vf *vf) { }
82 static inline void ice_vc_notify_link_state(struct ice_pf *pf) { }
83 static inline void ice_vc_notify_reset(struct ice_pf *pf) { }
84 
85 static inline int
86 ice_vc_send_msg_to_vf(struct ice_vf *vf, u32 v_opcode,
87 		      enum virtchnl_status_code v_retval, u8 *msg, u16 msglen)
88 {
89 	return -EOPNOTSUPP;
90 }
91 
92 static inline bool ice_vc_isvalid_vsi_id(struct ice_vf *vf, u16 vsi_id)
93 {
94 	return false;
95 }
96 
97 static inline void
98 ice_vc_process_vf_msg(struct ice_pf *pf, struct ice_rq_event_info *event,
99 		      struct ice_mbx_data *mbxdata)
100 {
101 }
102 #endif /* !CONFIG_PCI_IOV */
103 
104 #endif /* _ICE_VIRTCHNL_H_ */
105